Analysis
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max time kernel
150s -
max time network
135s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
12-04-2024 22:59
Static task
static1
Behavioral task
behavioral1
Sample
42.zip
Resource
win10-20240404-en
windows10-1703-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
42.zip
Resource
win10v2004-20240412-en
windows10-2004-x64
20 signatures
150 seconds
General
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Target
42.zip
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Size
41KB
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MD5
1df9a18b18332f153918030b7b516615
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SHA1
6c42c62696616b72bbfc88a4be4ead57aa7bc503
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SHA256
bbd05de19aa2af1455c0494639215898a15286d9b05073b6c4817fe24b2c36fa
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SHA512
6382ca9c307d66ab7566acf78b1afd44b18b24d766253e1dc1cb3a3c0be96ecf1f2042d6bd3332d49078ffee571cf98869c1284c1d3e5c1c7dc3e4c64f71af80
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SSDEEP
768:hzyVr8GSKL6O3QOXk/0u3wqOghrFCezL1VFJdbq2QTJTw02Q:hGx8DKXE//ZhhCirFi2cwK
Score
5/10
Malware Config
Signatures
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Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\counters2.dat SearchProtocolHost.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\Debug\ESE.TXT SearchIndexer.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum 64-bit\{E0F158E1-CB04-11D0-BD4E-00A0C911CE86}\Default DirectSound Device SearchFilterHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@C:\Windows\regedit.exe,-309 = "Registration Entries" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@C:\Windows\System32\ieframe.dll,-12385 = "Favorites Bar" SearchProtocolHost.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\FileAssociations\ProgIds\_.dib = "1" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\MPEG2Demultiplexer SearchFilterHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.mp3\UserChoice SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@C:\Windows\system32\xpsrchvw.exe,-106 = "XPS Document" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@C:\Windows\System32\msxml3r.dll,-1 = "XML Document" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@C:\Windows\system32\zipfldr.dll,-10195 = "Compressed (zipped) Folder" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-182 = "Microsoft PowerPoint Template" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@C:\Windows\System32\msxml3r.dll,-2 = "XSL Stylesheet" SearchProtocolHost.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\FileAssociations\ProgIds\_.TS = "1" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.mod\UserChoice\ProgId = "AppX6eg8h5sxqq90pv53845wmnbewywdqq5h" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-176 = "Microsoft PowerPoint Macro-Enabled Presentation" SearchProtocolHost.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{E37A73F8-FB01-43DC-914E-AAEE76095AB9} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 01000000000000006e47534d2d8dda01 SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@C:\Windows\system32\unregmp2.exe,-9934 = "AVCHD Video" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@C:\Program Files\Common Files\system\wab32res.dll,-10100 = "Contacts" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.bmp\UserChoice SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.jpeg SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates SearchFilterHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.TTS\UserChoice\Hash = "x4q3AkHkubI=" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.cr2 SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.cr2\UserChoice\Hash = "YLGNSUTei/o=" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\MPEG2Demultiplexer SearchFilterHost.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\FileAssociations\ProgIds\_.3g2 = "1" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@C:\Windows\System32\ieframe.dll,-10046 = "Internet Shortcut" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.pdf SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.mov\UserChoice SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.xht\OpenWithList SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft SearchFilterHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.HTM\UserChoice\ProgId = "AppX4hxtad77fbk3jkkeerkrm0ze94wjf3s9" SearchProtocolHost.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{3DBEE9A1-C471-4B95-BBCA-F39310064458} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 0100000000000000f7ac714b2d8dda01 SearchProtocolHost.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\FileAssociations\ProgIds\_.png = "1" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.mp4 SearchProtocolHost.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\FileAssociations\ProgIds\_.mp4 = "1" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.mp3\UserChoice\Hash = "4HUob98pJ1E=" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.gif\UserChoice SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.m4a\OpenWithList SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.wav\UserChoice SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@C:\Windows\system32\unregmp2.exe,-9936 = "QuickTime Movie" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.svg SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-175 = "Microsoft PowerPoint Slide Show" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.jpg SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.jpe\UserChoice\ProgId = "AppX43hnxtbyyps62jhe9sqpdzxn1790zetc" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.htm SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.m4a\UserChoice SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.TS\UserChoice SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.mp3\OpenWithList SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.m4a\UserChoice\ProgId = "AppXqj98qxeaynz6dv4459ayz6bnqxbyaqcs" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.wav SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.cr2\UserChoice\ProgId = "AppX43hnxtbyyps62jhe9sqpdzxn1790zetc" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.raw SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum 64-bit\{4EFE2452-168A-11D1-BC76-00C04FB9453B}\Default MidiOut Device SearchFilterHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@C:\Program Files\Common Files\System\wab32res.dll,-4602 = "Contact file" SearchProtocolHost.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{80009818-F38F-4AF1-87B5-EADAB9433E58} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 01000000000000000ef5664f2d8dda01 SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-177 = "Microsoft PowerPoint Macro-Enabled Slide Show" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum 64-bit SearchFilterHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.htm\OpenWithList SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.adts SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@C:\Windows\System32\ieframe.dll,-913 = "MHTML Document" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.pdf\OpenWithList SearchProtocolHost.exe -
Suspicious use of AdjustPrivilegeToken 26 IoCs
description pid Process Token: 33 1520 SearchIndexer.exe Token: SeIncBasePriorityPrivilege 1520 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 1520 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 1520 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 1520 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 1520 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 1520 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 1520 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 1520 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 1520 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 1520 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 1520 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 1520 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 1520 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 1520 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 1520 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 1520 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 1520 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 1520 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 1520 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 1520 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 1520 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 1520 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 1520 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 1520 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 1520 SearchIndexer.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1520 wrote to memory of 192 1520 SearchIndexer.exe 76 PID 1520 wrote to memory of 192 1520 SearchIndexer.exe 76 PID 1520 wrote to memory of 3536 1520 SearchIndexer.exe 77 PID 1520 wrote to memory of 3536 1520 SearchIndexer.exe 77
Processes
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C:\Windows\Explorer.exeC:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\42.zip1⤵PID:4740
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:2920
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C:\Windows\system32\SearchIndexer.exeC:\Windows\system32\SearchIndexer.exe /Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1520 -
C:\Windows\system32\SearchProtocolHost.exe"C:\Windows\system32\SearchProtocolHost.exe" Global\UsGthrFltPipeMssGthrPipe1_ Global\UsGthrCtrlFltPipeMssGthrPipe1 1 -2147483646 "Software\Microsoft\Windows Search" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT; MS Search 4.0 Robot)" "C:\ProgramData\Microsoft\Search\Data\Temp\usgthrsvc" "DownLevelDaemon"2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:192
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C:\Windows\system32\SearchFilterHost.exe"C:\Windows\system32\SearchFilterHost.exe" 0 684 688 696 8192 6922⤵
- Modifies data under HKEY_USERS
PID:3536
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